September 4, 1958 (July 21), the Reform Movement, China announced that the territorial sea rights.

1958, the Chinese government announced on the Territorial Sea: width 12 nautical miles of the territorial sea of ​​the People's Republic of China; delineation of the territorial waters of China, using the straight baseline method, in the waters within the baselines, including the Bohai Bay, including the Qiongzhou Strait, are China's inland sea, the islands within the baseline, including Dongyin Island, the high landed on the island, Matsu Islands "the white dog archipelago", Ukrainian island, the size of Kinmen Island, Tam Island, Erdan the Island, Dongding Island, are China's inland sea islands. The statement also announced that all foreign aircraft and military vessels, without the permission of the government of the People's Republic of China, and not allowed to enter China's territorial waters and the territorial sea over; any foreign ships must comply with the relevant laws and regulations of the Government of the People's Republic of China's territorial sea. The statement of the above provisions of the same principle applies to Taiwan and its surrounding islands, the Penghu Islands, the Dongsha Islands, the Dongsha Islands, the Nansha Islands and other islands belonging to China.